13255435087 has 4 divisors (see below), whose sum is σ = 13257749736. Its totient is φ = 13253120440.

The previous prime is 13255435021. The next prime is 13255435093. The reversal of 13255435087 is 78053455231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78053455231 = 9829 ⋅7941139.

It is a cyclic number.

It is not a de Polignac number, because 13255435087 - 2¹⁵ = 13255402319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13255435387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148713 + ... + 1160194.

It is an arithmetic number, because the mean of its divisors is an integer number (3314437434).

Almost surely, 2^13255435087 is an apocalyptic number.

13255435087 is a deficient number, since it is larger than the sum of its proper divisors (2314649).

13255435087 is an equidigital number, since it uses as much as digits as its factorization.

13255435087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314648.

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 13255435087 in words is "thirteen billion, two hundred fifty-five million, four hundred thirty-five thousand, eighty-seven".